134 lines
2.8 KiB
Perl
134 lines
2.8 KiB
Perl
package YTMusicAPI::Helpers;
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use strict;
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use warnings;
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use Exporter 'import';
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use POSIX qw(strftime locale_h);
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use LWP::UserAgent;
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use JSON;
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use HTTP::Cookies;
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use Digest::SHA qw(sha1_hex);
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use Time::HiRes qw(time);
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use Unicode::Normalize;
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use locale;
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use YTMusicAPI::Constants qw(YTM_DOMAIN USER_AGENT);
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sub initialize_headers {
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return {
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'user-agent' => USER_AGENT,
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'accept' => '*/*',
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'accept-encoding' => 'gzip, deflate',
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'content-type' => 'application/json',
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'content-encoding' => 'gzip',
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'origin' => YTM_DOMAIN,
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};
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}
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sub initialize_context {
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return {
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'context' => {
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'client' => {
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'clientName' => "WEB_REMIX",
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'clientVersion' => "1."
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. strftime( "%Y%m%d", gmtime )
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. ".01.00",
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},
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'user' => {},
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}
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};
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}
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sub get_visitor_id {
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my ($response) = @_;
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my @matches =
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$response->decoded_content =~ /ytcfg\.set\s*\(\s*({.+?})\s*\)\s*;/g;
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my $visitor_id = "";
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if (@matches) {
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my $ytcfg = decode_json( $matches[0] );
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$visitor_id = $ytcfg->{"VISITOR_DATA"} // "";
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}
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return $visitor_id;
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}
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sub sapisid_from_cookie {
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my ($raw_cookie) = @_;
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my $cookie_jar = HTTP::Cookies->new();
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$raw_cookie =~ s/\"//g; # Replace double quotes
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$cookie_jar->parse_headers( { 'set-cookie' => $raw_cookie } );
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my $sapisid = $cookie_jar->get_cookie("__Secure-3PAPISID");
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return $sapisid;
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}
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sub get_authorization {
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my ($auth) = @_;
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my $unix_timestamp = int(time);
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my $digest = sha1_hex( $unix_timestamp . " " . $auth );
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return "SAPISIDHASH " . $unix_timestamp . "_" . $digest;
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}
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sub to_int {
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my ($string) = @_;
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$string = NFKD($string);
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my $number_string = $string =~ s/\D//gr;
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setlocale( LC_ALL, "en_US.UTF-8" );
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my $int_value;
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eval { $int_value = atoi($number_string); };
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if ($@) {
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$number_string =~ s/,//g;
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$int_value = int($number_string);
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}
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return $int_value;
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}
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sub sum_total_duration {
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my ($item) = @_;
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return 0 unless exists $item->{"tracks"};
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my $total_duration = 0;
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foreach my $track ( @{ $item->{"tracks"} } ) {
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$total_duration +=
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exists $track->{"duration_seconds"}
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? $track->{"duration_seconds"}
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: 0;
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}
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return $total_duration;
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}
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sub array_index {
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my ( $list, $value ) = @_;
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my $index = 0;
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my $found_index = -1;
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foreach my $type (@$list) {
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if ( $type eq $value ) {
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$found_index = $index;
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last;
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}
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$index++;
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}
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return $found_index;
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}
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our @EXPORT = qw(
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initialize_headers
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initialize_context
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get_visitor_id
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sapisid_from_cookie
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get_authorization
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to_int
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sum_total_duration
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array_index
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);
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1;
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